A cyclist rides his bike at a speed of 33 feet per second. What is this speed in miles per hour? How many miles will the cyclist travel in
3 hours? In your computations, use the fact that 1 mile is equal to 5280 feet. Do not round your answers.
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OpenStudy (perl):
we can convert feet per second to miles per hour
OpenStudy (anonymous):
how many seconds are in an hour?
OpenStudy (anonymous):
60
OpenStudy (anonymous):
that would be minutes
OpenStudy (anonymous):
so take that and multiply by 60 again
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OpenStudy (anonymous):
3600?
OpenStudy (anonymous):
yup now how many feet are in a mile?
OpenStudy (anonymous):
5280
OpenStudy (anonymous):
so now divide that by 3600
OpenStudy (anonymous):
I got 1.46?
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OpenStudy (anonymous):
not sure if thats right
OpenStudy (anonymous):
1 sec
OpenStudy (anonymous):
ok looks like i screwed up sorry so what is 33*3600?
OpenStudy (anonymous):
118,800
OpenStudy (anonymous):
ok that is how many feet per hour he is riding now take that and divide it by 5280
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OpenStudy (anonymous):
22.5
OpenStudy (anonymous):
wait what is his speed?
OpenStudy (anonymous):
you just found it 22.5mph
OpenStudy (anonymous):
and the distance he traveled in 3 hours is 118,800?
OpenStudy (anonymous):
118,800ft yes
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OpenStudy (anonymous):
thank you :) I understand now
OpenStudy (anonymous):
im sorry that is the distance he travels in 1hr so multiply that by 3